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1348812000 = 25345323181
BaseRepresentation
bin101000001100101…
…0011110011100000
310111000000202020000
41100121103303200
510230243441000
6341501420000
745265466334
oct12031236340
93430022200
101348812000
11632407468
1231786a600
13186598713
14cb1c97c4
157d633000
hex50653ce0

1348812000 has 480 divisors, whose sum is σ = 5194373184. Its totient is φ = 342144000.

The previous prime is 1348811993. The next prime is 1348812007. The reversal of 1348812000 is 2188431.

It is an interprime number because it is at equal distance from previous prime (1348811993) and next prime (1348812007).

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×13488120002 = 3638587622688000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348812007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7451910 + ... + 7452090.

Almost surely, 21348812000 is an apocalyptic number.

1348812000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1348812000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2597186592).

1348812000 is an abundant number, since it is smaller than the sum of its proper divisors (3845561184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1348812000 is a wasteful number, since it uses less digits than its factorization.

1348812000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 1348812000 is about 36726.1759512204. The cubic root of 1348812000 is about 1104.8851596766.

The spelling of 1348812000 in words is "one billion, three hundred forty-eight million, eight hundred twelve thousand".